81021352

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{853}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 157409280

約数和(自身を除く): 76387928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 383, 766, 853, 1532, 1706, 3064, 3412, 6824, 11873, 23746, 26443, 47492, 52886, 94984, 105772, 211544, 326699, 653398, 1306796, 2613592, 10127669, 20255338, 40510676, 81021352]

約数ペア:

[(1, 81021352), (2, 40510676), (4, 20255338), (8, 10127669), (31, 2613592), (62, 1306796), (124, 653398), (248, 326699), (383, 211544), (766, 105772), (853, 94984), (1532, 52886), (1706, 47492), (3064, 26443), (3412, 23746), (6824, 11873)]